#1F510F#1F510F

#1F510F is a dark, moderate green. Relative luminance 0.062; OKLCH L 38.6% C 0.109 H 139.4°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#1F510F
RGB	rgb(31, 81, 15)
HSL	hsl(105, 69%, 19%)
HSV	hsv(105, 81%, 32%)
CMYK	cmyk(61.7%, 0%, 81.5%, 68.2%)
CIE-LAB	lab(29.94, -30.19, 31.67)
CIE-LCH	lch(29.94, 43.76, 133.62°)
OKLab	oklab(38.6% -0.0831 0.0712)
OKLCH	oklch(38.6% 0.109 139.4)
XYZ	xyz(3.5936, 6.2103, 1.4612)
Luminance	0.0621 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

#06470C

ΔE00 3.96

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F510F #410F51

analogous

#40510F #1F510F #0F5120

triadic

#1F510F #0F1F51 #510F1F

tetradic

#1F510F #0F4051 #410F51 #51200F

square

#1F510F #0F4051 #410F51 #51200F

split-complementary

#1F510F #200F51 #510F40

monochromatic

#0A1A05 #0B1D05 #1F510F #338519 #47B822

Accessibility & contrast

On white

9.37

#1F510F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1F510F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F510F

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F510F	#FFFFFF	#000000	##FFFFFF
##1F510F	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544903

Deuteranopia (green-blind)

#4D4516

Tritanopia (blue-blind)

#1A4E44

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f510f;
/* rgb */ color: rgb(31, 81, 15);
/* oklch */ color: oklch(38.6% 0.109 139.4);

Tailwind

colors: {
  custom: {
    50: '#618253',
    500: '#1f510f',
    950: '#000000',
  },
}

SCSS

$custom: #1f510f;
$custom-light: #618253;
$custom-dark: #000000;

JSON

{
  "hex": "#1f510f",
  "rgb": {
    "r": 31,
    "g": 81,
    "b": 15
  },
  "hsl": {
    "h": 105.455,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.38601,
    "c": 0.10941,
    "h": 139.4
  },
  "luminance": 0.06211
}

Semantic roles & 50–950 ramp

primary

#1F510F

secondary

#75318B

accent

#3CECC1

background

#F6F8F4

surface

#EBEFE7

border

#C6CAC3

text

#050A02

muted

#7A7C78

Preview Lab

Preview with #1F510F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →